1 files changed, 46 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pdf2image/generators.py b/.venv/lib/python3.12/site-packages/pdf2image/generators.py
new file mode 100644
index 00000000..5d79a3ce
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pdf2image/generators.py
@@ -0,0 +1,46 @@
+"""
+    pdf2image filename generators
+"""
+
+import uuid
+import threading
+
+
+class ThreadSafeGenerator(object):
+    """Wrapper around generator that protects concurrent access"""
+
+    def __init__(self, gen):
+        self.gen = gen
+        self.lock = threading.Lock()
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        with self.lock:
+            return next(self.gen)
+
+
+def threadsafe(f):
+    """Decorator to make generator threadsafe. Fix #125"""
+
+    def g(*a, **kw):
+        return ThreadSafeGenerator(f(*a, **kw))
+
+    return g
+
+
+@threadsafe
+def uuid_generator():
+    """Returns a UUID4"""
+    while True:
+        yield str(uuid.uuid4())
+
+
+@threadsafe
+def counter_generator(prefix="", suffix="", padding_goal=4):
+    """Returns a joined prefix, iteration number, and suffix"""
+    i = 0
+    while True:
+        i += 1
+        yield str(prefix) + str(i).zfill(padding_goal) + str(suffix)